This universal additive is only needed to treat at a 5% ratio of your crankcase and drive train.the automobile engine only needs to be treated every 15000 klms and 250hrs for trucks.the anti-friction component reduces temperatures and wear on all metal to metal components.the benefits include extended engine life, cold start protection, smoother running engine, smoother transmission and gear changes, cooler oil temperatures, significant reduction of metal in oil samples. Will not void warranty and is 100% petroleum with no solids.